CO₂ supply modulates lipid remodelling, photosynthetic and respiratory activities in Chlorella species.

ABSTRACT: Microalgae represent a potential solution to reduce CO₂ emission exploiting their photosynthetic activity. Here, the physiologic and metabolic responses at the base of CO₂ assimilation were investigated in conditions of high or low CO₂ availability in two of the most promising algae species for industrial cultivation, Chlorella sorokiniana and Chlorella vulgaris. In both species, high CO₂ availability increased biomass accumulation with specific increase of triacylglycerols in C. vulgaris and polar lipids and proteins in C. sorokiniana. Moreover, high CO₂ availability caused only in C. vulgaris a reduced NAD(P)H/NADP⁺ ratio and reduced mitochondrial respiration, suggesting a CO₂ dependent increase of reducing powe

SUBMITTER: Cecchin M 

PROVIDER: S-EPMC8453743 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature